Does the following set of ordered pairs make up a relation? If so, is the relation also a function? Why or why not?

{(2,4), (3, 6), (4,8), (5, 10), (6, 12), (7, 14)

The amount of energy it takes to lift a box might be a function of which of the following

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250